Home / 212,216,957.62-292,856,401.78-119,397,244.02

Finding the Fourth Proportional to 212,216,957.62, 292,856,401.78 and 119,397,244.02

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Solution

The fourth proportional to 212,216,957.62, 292,856,401.78 and 119,397,244.02 is: 164,766,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,216,957.62 : 292,856,401.78 = 119,397,244.02 : x
  2. Step 2: Convert to fraction form
    212,216,957.62/292,856,401.78 = 119,397,244.02/x
  3. Step 3: Cross multiply
    212,216,957.62x = 292,856,401.78 × 119,397,244.02
  4. Step 4: Simplify right side
    212,216,957.62x = 34,966,247,266,145,816
  5. Step 5: Solve for x
    x = 34,966,247,266,145,816/212,216,957.62
  6. Step 6: Final answer
    x = 164,766,509.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.